. >> the british prime minister defends his criticism of eu integration at the world economic forum in davos. >> gender equality in the united states -- the pentagon lifts its ban on women in front line and combat roles. >> on the chopping block, germany's second-largest bank plans to fire up to 10% of its work force. the european union is at a crossroads, and the british prime minister, david cameron, says if the blockheads towards the centralized political union, then it is not for him and not for britain. >> german chancellor angela merkel has chosen her words very carefully, responding at the world economic forum in davos by voicing conditional optimism as far as europe's future goes. she says that patience is needed for structural reforms to take effect. >> she has also called for more regulation of the finance industry to avoid more turbulence, a point of contention with britain. both agree that competitiveness is the key, but how to go about that is the big question. >> david cameron brought his message with him to the swiss alps. in his address to the world leaders in doubles,